Home / 1,645,143.64-2,467,781.07-507,805.23

Finding the Fourth Proportional to 1,645,143.64, 2,467,781.07 and 507,805.23

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Solution

The fourth proportional to 1,645,143.64, 2,467,781.07 and 507,805.23 is: 761,728.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,143.64 : 2,467,781.07 = 507,805.23 : x
  2. Step 2: Convert to fraction form
    1,645,143.64/2,467,781.07 = 507,805.23/x
  3. Step 3: Cross multiply
    1,645,143.64x = 2,467,781.07 × 507,805.23
  4. Step 4: Simplify right side
    1,645,143.64x = 1,253,152,122,511.28
  5. Step 5: Solve for x
    x = 1,253,152,122,511.28/1,645,143.64
  6. Step 6: Final answer
    x = 761,728.09

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.